Improve your hitting technique without ever chasing a ball with the Tandem(R) Volleyball Spike Pal. Work on arm swing, ball contact and footwork without the need of another person. This training aid comes with flexible elastic cord for realistic ball movement. Features Train arm swing, ball contact and footwork without the need of another person Includes ball pouch, elastic cord, and carabineer Attaches to basketball goal, pole or anywhere a carabineer can be secured Flexible elastic cord allows for realistic ball movement Cord measures 15.5" Does NOT include ball